#header{
    padding: 15px 0;
    background-color: #000000;
    .navbar{
        border-radius: 0px;
        margin-bottom: 0px;
    }
    .navbar-inverse{
        background: transparent;
        border-color: transparent;
    }
    .logo{
        font-size:18px;
        color: #fff;
        text-transform:uppercase;
        font-family: OSBold;
    }

    .navbar-inverse .navbar-nav>li>a{
        font-size: 14px;
        color: #fff;
        text-transform:uppercase;
        border-bottom: 2px solid transparent;
        // &表示前端的选择符
        &:hover{
            border-bottom: 2px solid #fcac45;
        }
    }
	@media screen and (max-width: 770px) {
	    .navbar-inverse .navbar-nav > li > a{
	        text-align:center;
	    }
	}
}
//底部
#footer{
    width: 100%;
    margin: 0px auto;
    background-color: rgb(241, 240, 245);
    margin-top: 10px;
    .container{
        display: flex;
        justify-content:space-between;
        align-items:center;
        height: 100%;
        padding: 2em 0;
        .left, .right{
            width: 50%;
        }
        .left{
            color: rgba(33, 93, 215, 0.8);;
            font-size: 1.3em;
        }
        .right{
            text-align: right;
            a{
                width: 30px;
                height: 30px;
                border: 2px solid rgba(33, 93, 215, 0.8);;
                border-radius:50%;
                line-height: 30px;
                text-align: center;
                font-size:1.3em;
                color: rgba(33, 93, 215, 0.8);; 
                margin-right: 0.5em;
                transition: all 0.3s ease-in-out;
                &:hover{
                    box-shadow: 0px 0px 10px rgba(33, 93, 215, 0.8);;
                    transform: translateY(-10px);
                }
            }
        }
    }
    @media screen and (max-width: 700px) {
        .container{
            flex-wrap: wrap;
            padding: 1.5em 0;
            .left, .right{
                width: 100%;
                text-align: center;
            }
            .left{
                padding-bottom: 1.2em;
            }
        }
    }
}
//返回顶部
#back{
    position:fixed;
    bottom:100px;
    right: 5%;
    #gotop{
        width: 90px;
        height: 90px;
        img{
            width: 100%;
        }
    }
	@media screen and (max-width: 960px) {
		right: 2%;
	    #gotop{
	        width: 50px;
	        height: 50px;
	    }
	}
    @media screen and (max-width: 450px) {
        #gotop{
            width: 45px;
            height: 45px;
        }
    }
}
